This field report covers the installation of a Yoohantech leak detection system in the sulfuric acid and caustic soda (sodium hydroxide) tank area of a resource recycling center in Gumi, Gyeongbuk. By applying the YHSP-SAR sensor, which fundamentally blocks false alarms caused by rainwater in outdoor environments, along with the durable SUS enclosure receiver (YH-100L), the site secured safe operation for its odor removal process. From installation optimized for a non-explosion-proof area to a backup battery system for power outage preparedness, take a look at this complete safety solution.


Hello! This is Assistant Yoo from Yoohantech, where safety and environmental protection come first. 👷♂️
The first month of 2026 has already passed, and now February has begun. The winter cold is still sharp, but Yoohantech’s passion for protecting safety on site never cools down.
Today, we would like to share a real field story from Gumi, Gyeongbuk, where we visited “0000 Resource Recycling Center”. We installed a sulfuric acid and caustic soda leak detection system there. Let’s take a look at why hazardous chemical detection is essential at a resource recycling center and what kind of customized solution Yoohantech provided.
This site was a resource recycling center that processes livestock manure and produces biogas. Some people may wonder, “Why are hazardous chemical tanks needed at a manure treatment plant?” The main reason is the process of odor removal (deodorization) and gas purification.
In other words, these chemicals are essential for creating a cleaner environment, but if leaked, they can become extremely dangerous to both workers and the surrounding environment. That is why Yoohantech responded quickly to help detect even a possible leak as fast as possible.
This site was a fully outdoor tank area, so the key challenge was a battle against rain. If the system triggered false alarms whenever it rained, it would be impossible to respond properly in a real emergency.

Before the actual installation began, we carefully checked the product specifications and quantities together with the site manager. Trust starts with thorough verification. ✅


Although the weather was bitterly cold, our installation team continued the work with full focus while following on-site safety rules with absolute care.
This zone was a non-explosion-proof area, but when it comes to durability, there was no room for compromise. Instead of standard conduit, we adopted heavy-duty GW waterproof flexible conduit. It protects the sensor line against impact and moisture, helping ensure stable operation even in rough outdoor conditions. 🛡️


“Any leaked liquid eventually flows to the lowest point.”
Based on this principle, we selected the drain pit, where leaked chemicals would ultimately collect, as the optimal monitoring point and installed the YHSP-SAR sensor there.
This product is built with smart technology that accurately distinguishes between rainwater and hazardous chemicals such as acids and alkalis. Even in an outdoor site exposed to heavy rainfall, it remains silent in rainwater and immediately triggers an alarm the moment hazardous liquid reaches it. No worries about rain. Zero false alarms.



And here it is, securely installed on site, the YH-100L leak detection receiver. Inside, it is equipped with Yoohantech’s core detection module, the YHSM-04S-AR, which sharply distinguishes water from hazardous chemicals.

We hope this installation story from the Gumi resource recycling center clearly shows how Yoohantech approaches every site. We do not simply install equipment and leave. Whether it rains or snows, our job is to find the most reliable solution to protect our customers’ assets and the safety of workers.
Do not postpone or keep worrying about safety at your site. We will assess your conditions with an expert’s eye and provide a clear answer. Just remember the name Yoohantech and contact us anytime. We are ready to support sites across the country. 🏃♂️💨
This has been Assistant Yoo from Yoohantech, always working on the ground for your safety.
It is very cold these days, so stay warm and take care. Wishing you a safe and productive day.
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